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Mathematics
OpenStudy (anonymous):

derivative of cos(n)x ?!

OpenStudy (anonymous):

and Why?

OpenStudy (anonymous):

Hope http://people.hofstra.edu/stefan_waner/realworld/trig/trig3.html will help you!!!

OpenStudy (anonymous):

i cant use that for my question please help more

OpenStudy (anonymous):

Is it \[cos(nx)\] or \[cos^n(x)\]?

OpenStudy (mertsj):

-sin(n(x))

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